Finding the Fourth Proportional to 188,729.16, 283,140.41 and 155,052.09
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Solution
The fourth proportional to 188,729.16, 283,140.41 and 155,052.09 is: 232,616.47
Step by Step Solution
- Step 1: Write the proportion equation
188,729.16 : 283,140.41 = 155,052.09 : x - Step 2: Convert to fraction form
188,729.16/283,140.41 = 155,052.09/x - Step 3: Cross multiply
188,729.16x = 283,140.41 × 155,052.09 - Step 4: Simplify right side
188,729.16x = 43,901,511,558.70 - Step 5: Solve for x
x = 43,901,511,558.70/188,729.16 - Step 6: Final answer
x = 232,616.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.